package com.imooc.controller;

import com.imooc.domain.ProductCategory;
import com.imooc.exception.SellException;
import com.imooc.form.CategoryForm;
import com.imooc.service.ProductCategoryService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;

import javax.validation.Valid;
import java.util.List;
import java.util.Map;

/**
 * @author Create By Liuqz
 * @date 2018/6/8 16:26
 */
@Controller
@RequestMapping(value = "/seller/category")
public class SellerCategoryController {

    @Autowired
    private ProductCategoryService productCategoryService;

    @GetMapping(value = "/list")
    public ModelAndView list(Map<String,Object> map){
        List<ProductCategory> categoryList = productCategoryService.findAll();
        map.put("categoryList",categoryList);
        return new ModelAndView("category/list",map);
    }

    /**
     * 展示
     * @param categoryId
     * @param map
     * @return
     */
    @GetMapping(value = "/index")
    public ModelAndView index(@RequestParam(value = "categoryId",required = false) Integer categoryId ,
                              Map<String,Object> map){
        if (categoryId != null) {
            ProductCategory productCategory = productCategoryService.findOne(categoryId);
            map.put("productCategory",productCategory);
        }
        return new ModelAndView("category/index",map);
    }

    /**
     * 更新/保存
     * @return
     */
    @PostMapping(value = "/save")
    public ModelAndView save(@Valid CategoryForm form,
                             Map<String,Object> map,
                             BindingResult bindingResult){
        if (bindingResult.hasErrors()){
            map.put("msg",bindingResult.getFieldError().getDefaultMessage());
            map.put("url","/sell/seller/category/index");
            return new ModelAndView("common/error",map);
        }

        ProductCategory productCategory = new ProductCategory();

        try {
            if (form.getCategoryId() != null){
                productCategory = productCategoryService.findOne(form.getCategoryId());
            }
            BeanUtils.copyProperties(form,productCategory);
            productCategoryService.save(productCategory);
        } catch (SellException e){
            map.put("msg",e.getMessage());
            map.put("url","/sell/seller/category/index");
            return new ModelAndView("common/error",map);
        }
        map.put("url","/sell/seller/category/list");
        return new ModelAndView("common/success",map);
    }
}
